[Bug target/79812] [7 Regression] ICE in simplify_binary_operation_1, at simplify-rtx.c:3586

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79812

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40880
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40880&action=edit
gcc7-pr79812.patch

Untested fix.